Optics and optical instruments. Test methods for telescopic systems - Test methods for basic characteristics Ingestion-build-223009 Properties and test methods that

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Optics and optical instruments. Test methods for telescopic systems - Test methods for basic characteristics Ingestion-build-223009 Properties and test methods that1 Scope This part of ISO 14490 specifies the test methods for the determination of the following basic characteristics of telescopic systems and observational telescopic instruments: angular magnification (see Clause 4); entrance pupil diameter (see Clause 5); exit pupil diameter and eye relief (see Clause 6); angular field of view in the object space (see Clause 7); angular field of view in the image space (see Clause 8); angular field of view in the